Health Hazards in the Radium Industry |
Common terms and phrases
25 microcuries a-ray electroscope amount of emanation Artificial ventilation atomic number atomic weight Ba Ra Ra barium Barker and Flinn breathing change of air chlorides COMMITTEE ON RADIOLOGY concentration of radium COUNCIL of CANADA Crystals 415 cubic foot disintegration dust and emanation dust concentration emission emitted per second examination exist in equilibrium expired air exposure extraction of radium Flinn 12 fractionation by crystallization half-value period hydrochloric acid investigation Joachimsthal Katanga leak LEITCH lung lung cancer Maché units measurement of radium microgram of radium millimicrocuries per litre mining Montreal National Research Council number of atoms Ottawa pitchblende Ra Ba Ra radiation radioactive radium and mesothorium radium bromide radium content radium emanation RADIUM INDUSTRY radium poisoning radium sulphate radium workers radon retired miners salts Schlundt soda ash Sodium uranate stoneware sulphuric acid Toronto type of mask uranium X₁ water containing emanation weight of 234 y-ray method